Nyjer seed is a favorite of finches and a wide variety of birds. Aspects? Quick-Clean Nyjer Tube Feeders featuring heavy die-cast metal caps, bases and a clear UV stabilized polycarbonate tube combine to make these feeders an investment that lasts a lifetime. Customers will appreciate the convenience of easily removing the Quick-Clean base without the need of tools even with a seed tray attached. A built-in seed deflector in the base allows birds to remove every last seed. The metal cap lifts and pivots easily for filling and cleaning. Add a seed tray to attract more birds, and protect the feeder from the elements with an Aspects? Dome. Backed with a Lifetime Guarantee.